Llangollen is a small town and area in Denbighshire, north-east Wales, on the River Dee beside the Berwyn mountains and also the Clwydian Range and Dee Valley AONB. It had a population of 3,658 at the 2011 census. Llangollen takes its name from the Welsh llan significance "a religious negotiation" and also Saint Collen, a 6th-century monk that founded a church next to the river. St Collen is claimed to have shown up in Llangollen by coracle. There are no other churches in Wales committed to St Collen, as well as he might have had links with Colan in Cornwall and also with Langolen in Brittany. Today Llangollen relies greatly on the visitor market, but still gains significant revenue from farming. The majority of the ranches in capitals around the community were sheep farms, as well as the domestic wool industry, both rotating and also weaving, was essential in the area for centuries. Several factories were later on developed along the banks of the River Dee, where both wool and also cotton were processed. The water mill contrary Llangollen Railway station mores than 600 years of ages, and also was initially made use of to grind flour for local farmers.